大约有 47,000 项符合查询结果（耗时：0.0581秒） [XML]
Getting thread id of current method call
...
230
NSLog(@"%@", [NSThread currentThread]);
...
How get integer value from a enum in Rails?
...
ShadwellShadwell
31.9k1414 gold badges9090 silver badges9393 bronze badges
add a comment
...
How to find all occurrences of a substring?
...
20 Answers
20
Active
...
Why do we need argc while there is always a null at the end of argv?
...
106
Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If th...
What is android:weightSum in android, and how does it work?
...tent"
android:layout_weight="1"
android:layout_width="0dp"/>
.....
weightSum is useful for having the layout rendered correctly for any device, which will not happen if you set width and height directly.
...
How to use a variable for the key part of a map
...
– Michal Bernhard
Mar 2 '16 at 13:10
...
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...abled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find bind-address in the my.cnf file, look for it in /etc/mysql/mysql.conf.d/mysqld.cnf file.
Update in case of MySQL replication en...
How is “=default” different from “{}” for default constructor and destructor?
...
105
This is a completely different question when asking about constructors than destructors.
If yo...
How do I verify jQuery AJAX events with Jasmine?
...yOn($, "ajax");
getProduct(123);
expect($.ajax.mostRecentCall.args[0]["url"]).toEqual("/products/123");
});
function getProduct(id) {
$.ajax({
type: "GET",
url: "/products/" + id,
contentType: "application/json; charset=utf-8",
dataType: "json"
});
}
...
理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...rocess 9682, UID 27, (mysqld) total-vm:47388kB, anon-rss:3744kB, file-rss:80kB
httpd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
httpd cpuset=/ mems_allowed=0
Pid: 8911, comm: httpd Not tainted 2.6.32-279.1.1.el6.i686 #1
...
21556 total pagecache pages
21049...